Which of the following is a false description about different zones of a flame ?

W

- It is non-luminous, the hottest part and contains unburnt carbon particles.

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X

- It is luminous and involves partial combustion.

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Y

- It is least hot and dark.

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Z

- It is blue zone where carbon monoxide burns.

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Solution

The correct option is A $W$ - It is non-luminous, the hottest part and contains unburnt carbon particles.
So, The {a} option is incorrect.

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Similar questions

Column A	Column B	Column C
(a) Hottest part	(i) Innermost zone of unburnt wax vapors	(x) blue
(b) Moderately hot	(ii) Middle zone of partial combustion	(y) black
(c) Least hot	(iii) Outer zone of complete combustion	(z) yellow

	Column I		Column II
(a)	Hottest zone of a candle flame	(i)	Zone of unburnt wax vapours
(b)	Yellow zone of a candle flame	(ii)	Non-luminous zone
(c)	Black innermost zone of the candle flame	(iii)	Incomplete combustion zone

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